On Sun, 10 Feb 2019 at 13:42:28 +0100, Reiner Herrmann wrote: > The XKEYBOARD keymap compiler (xkbcomp) reports: > > Warning: Unsupported high keycode 372 for name <I372> ignored > > X11 cannot support keycodes above 255. > > This warning only shows for the first high keycode. > > Internal error: Could not resolve keysym XF86MonBrightnessCycle I think this might be the same bug as #921867 and #922020. smcv